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But this is not so good because the data on mp_lokacx can be L1,L2 or some different pattern, if you got better idea let me know.

yes
fix the data or store it in a more appropriate mechanism
otherwise you are going to be forced to use string manipulation of variable length elements, never nice, always going to be a performance issue

bear in mind that you customer expects / wants to see data in a particular format, that doesn't mean you have to store it in that format.